The form of the Homo erectus cranium

Having thickened cranial vault bones, verso heavily built face, thick-boned jaws, and thick postcranial bones may have been necessary, or at least an advantage, for the body esatto cope with these long lifespans

Some creationists see environmental factors and genetic effects, such as the founder effect, genetic drift, and inbreeding, as most likely sufficient sicuro explain the differences in skeletal features between modern humans and so-called cavemen. 37 It has been proposed that there was per period of rapid human diversification beginning during the construction of Babel, resulting con extreme morphological variability mediante post-Babel humans repopulating the earth. 38,39 Other creationists believe the stark difference durante morphology between robust and anatomically modern humans warrants an explanation a nel caso che, that is, not just an acknowledgment that there was considerable variation sopra features, but why.

A subject of importance sicuro the creation model is explaining why the skeletons, particularly the skulls, of humans such as Homo erectus (as well as those classified as Neandertals and Homo heidelbergensis), were so rugged or robust compared onesto anatomically modern humans

As such, it has been suggested that Homo erectus, Neandertals and the like all arose coraggio ‘devolution’ from anatomically modern post-Babel populations-from the genetic consequences of inbreeding, drift, and mutational effects, after splitting off from anatomically modern humans. 40 However, this would have to have happened independently, mediante per relatively short time, per many different parts of the world, which seems per little too coincidental to be realistic.

Along with per number of other creationists who have contemplated this issue, I consider the robust human forms, such as those with the features observed in the typical Homo erectus and Neandertal remains, sicuro in general be non-pathological. As such, they were likely humans that were part of the original dispersion that occurred at Babel. Hence, an explanation that is worth considering is that the robust morphology observed con these humans is linked onesto longevity. According sicuro creationist Carl Wieland:

Hence, one explanation why humans such as Homo erectus, Homo heidelbergensis, and Neandertals, had different morphology compared esatto modern humans, particularly con the skull, is that it could reflect changes in development of these early post-Flood individuals, compared preciso modern humans, possibly linked onesto longevity. 42 Per factor that cannot be ignored con per creationist model of human origins is the biblical long lifespans of individuals con the pre-Flood world, and onesto some extent the early post-Flood earth, as derived from Old Testament records. Con the pre-Flood world lifespans of around 900 years appear to have been common, and even individuals born early post-Flood (within verso few hundred years of the Flood having occurred) are recorded as having lived for hundreds of years. 43,44

If initially (after the Fall) humans were designed sicuro live for hundreds of years, then this would most likely have per bearing on development processes and timings. Simply put, longevity would probably be associated with changes con development, not just the aging process.

If longevity was linked puro development processes associated with the above-mentioned robusticity, then robust features would be expected esatto disappear with shorter lifespans, although, as Wieland taccuino, “some of the genes coding for some of their distinctive bony anatomy were apparently passed on sicuro some of today’s populations”. 45 Hence, robust features do not correlate with the potential for longevity con recent times. Verso genetic mechanism for robusticity would possibly involve the control of hormones related puro bone growth and maintenance. According esatto Susan Crockford, an evolutionary expert durante this dipartimento, the

Thyroxine (T4) is an important thyroid hormone, and verso certain thyroid hormone secretion pattern could have existed in people with robust skeletal morphology, such as Homo erectus and the Neandertals, linked sicuro the genetic mechanism for long lifespans. Add environmental influences, as well as genetic effects such as genetic drift, and you can possibly account for differences in the many skeletal features observed. This would be not only between early https://datingranking.net/it/hitch-review/ robust post-Flood humans, like Homo erectus, Homo heidelbergensis, and the Neandertals, but also between anatomically modern humans and these early robust post-Flood humans.